Control unit for dental handpiece



FIG. 1 is front elevation of a control unit for a dental handpieceshowing my new design;

FIG. 2 is a rear elevation thereof showing broken lines;

FIG. 3 is a right side elevation thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top perspective view thereof.

The ornamental design for a control unit for dental handpiece, as shownand described.